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Tag: "boy" at biology news

Phthalates now linked to fat, related health risks

...n and subtle changes in the reproductive organs in boy babies. This connection between phthalates and testosterone helped to establish a basis for the study, Stahlhut said. Stahlhut’s group hypothesized that phthalates might have a direct link to obesity, since low testosterone appears to cause increa...

Major link in brain-obesity puzzle found

...o a cell. Since leptin is the body’s messenger boy to the brain for “stop eating, we’re full?messages, and JAK2 helps receive those messages as they arrive, SH2B1’s partnership with JAK2 is an important one. In a previous paper, Rui and his former mentor and current colleague Christin Carter-Su, Ph.D...

Teenager moves video icons just by imagination

Now, a St. Louis-area teenage boy and a computer game have gone hands-off, thanks to...dical engineering, performed their research on the boy who had the grids implanted so that neurologists and neurosurgeons can find the area in the brain se...

Bad blood between boys and girls

...toxoplasmosis on the probability of the birth of a boy in humans. Latent toxoplasmosis is asymptomatic but is usually a life-long infection characterised by the presence of anti-Toxoplasma antibodies in the blood. They analysed over 1800 clinical records of babies born between 1996-2004 in private ma...

Leading reason for corneal transplants comes into focus

...that, a large Indiana family with FCD, including a boy of 10, led the team to yet another gene variant, on chromosome 13. The scientists use linkage analysis, a process-of-elimination gene-hunting technique that analyzes inheritance patterns in families with relatively large numbers of affected indivi...

Fighting like a girl or boy determined by gene in fruit flies

Fighting like a girl or fighting like a boy is hardwired into fruit fly neurons, according to a study in the Nov. 19 Nature Neuroscience advance online publication by a research team from Harvard Medical School and the Institute of Molecular Pathology in Vienna. The results confirm that a gene...

Buildup of damaged DNA in cells drives aging

...ad contacted the center about a 15-year old Afghan boy who was highly sensitive to the sun and had other ... When the investigators obtained cells from the boy and tested them for NER activity, they found almost none. Further analysis of the boy’s DNA revealed...

Radiologists attempt to solve mystery of Tut's demise

...dely speculated that a blow to the head killed the boy king. However, Dr. Selim and colleagues found seve...d to plague anyone who disrupts the remains of the boy king. "While performing the CT scan of King Tut, we had several strange occurrences," he said. "T...

Inheriting a tendency to brain infection

... In 2005, Casanova later identified a 15-year-old boy who developed brain damage due to herpes simplex infection. Casanova found that the boy's blood cells failed to produce an important immune signalling molecule, type I interferon, when challenged with the virus in a laboratory flask. At about the s...

UCLA researchers develop T-cells from human embryonic stem cells

...t severe combined immunodeficiency, or the "bubble boy disease," which leaves its victims without a working immune system, forcing them to a life in an antiseptic, germ-free environment. ...

New gene reduces retinal degeneration in fruit flies

...the novel Lazarillo de Tormes, in which the orphan boy Làzaro helps a blind man see. Of the molecules known to control TRP channels, a key player is diacylglycerol, known as DAG. DAG is known to be made by a well-studied biochemical pathway. The researchers found that Lazaro provides a second way to mak...

Minor mutations in avian flu virus increase chances of human infection

... originally isolated from a 10-year-old Vietnamese boy who died from the infection in 2004. The hemagglutinin (HA) structure from the Viet04 virus was found to be closely related to the 1918 virus HA, which caused some 50 million deaths worldwide. Using a recently developed microarray technology-hundre...

Engineers discover why toucan beaks are models of lightweight strength

As a boy growing up in Brazil 40 years ago, Marc A. Meyers marveled at the lightweight toughness of toucan beaks that he occasionally found on the forest floor. Now a materials scientist and professor of mechanical and aerospace engineering at UCSD's Jacobs S...

Newly discovered genetic disease sheds light on body's water balance

...thal and Feldman took blood samples from each baby boy and his mother to search for the cause of the uniq...nced the patients' AVPR2 genes and found that each boy had a unique mutation affecting the amino acid arginine at position 137 (R137). The single nucleotid...

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